SISO is a professional organization providing representation, promotion, and support for members engaged in the practice of Workplace Safety and Health towards the protection of people, property, and the environment. SISO’s members serve actively in various industries and provide professional services that add value to the businesses in which they work. Many also represent the Institution in working committees in Ministry of Manpower (MOM), National Environment Agency (NEA), National Fire and Civil Emergency Preparedness Council (NFEC), SPRING Singapore, Singapore Contractors' Association (SCAL), Land Transport Authority (LTA) and the Workplace Safety and Health Council (WSHC).